Sql 如何在unixshell脚本中进行数据库连接检查验证
我已经为连接数据库创建了shell脚本Sql 如何在unixshell脚本中进行数据库连接检查验证,sql,unix,Sql,Unix,我已经为连接数据库创建了shell脚本 #------------------------------------------------------------------------------------------ # Declaring a variable used in this program #------------------------------------------------------------------------------------------ Da
#------------------------------------------------------------------------------------------
# Declaring a variable used in this program
#------------------------------------------------------------------------------------------
Databasename="XYZ"
#------------------------------------------------------------------------------------------
# ************************** MAIN PROGRAM STARTS ******************************************
#------------------------------------------------------------------------------------------
cd $SCRIPT_PATH
db2 connect to $Databasename
touch $UserId $RoleName $MCD_Prod
echo "UserId" > $UserId
echo "RoleName" > $RoleName
db2 -x "Select A.USER_ID from USER A ,ROLE_TYPE R, USER_ROLE U where A.USER_ID=U.USER_ID AND U.ROLE_ID=R.ROLE_ID" >> $UserId
db2 -x "Select R.ROLE_NM from USER A ,ROLE_TYPE R, USER_ROLE U where A.USER_ID=U.USER_ID AND U.ROLE_ID=R.ROLE_ID order by A.USER_ID" >> $RoleName
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我在数据库中选择*时进行了数据库验证,但未找到连接
但如果数据库名称从“XYZ”到“XYZ1”不正确,则数据库无法连接,但程序仅在此终止
我需要进行验证..请帮助使用以下代码进行尝试
if ! db2 -x "Select A.USER_ID from USER A ,ROLE_TYPE R, USER_ROLE U where A.USER_ID=U.USER_ID AND U.ROLE_ID=R.ROLE_ID" >> $UserId
then
echo "there was an error, maybe the connection failed
fi
在shell脚本中,我可以检查它们的任何方式。数据库是否成功连接,只有在未连接的情况下才确定程序